Heinz Kiessling (March 11, 1926 – December 27, 2003) was a German musician, conductor, composer and music producer, known mainly from his work for popular films and television programs.

Kiessling's piece Temptation Sensation (originally titled Haute Couture) is the theme song for It's Always Sunny in Philadelphia, which is the longest running live-action sitcom in American television history.

[3] Kiessling worked with many national and international stars, including Chet Baker, Luis Bonfa, Wenche Myhre, and Caterina Valente.

In addition, Kiessling composed the songs and scene music for numerous films and television productions, including Klimbim [de], Zwei himmlische Töchter, Dingsda, Das Traumschiff and Aktenzeichen XY... ungelöst.

[5] Always Sunny cast member Charlie Day told Entertainment Weekly that the original pilot of the show took place in Los Angeles and the theme song used to be a cha-cha version of "Hooray for Hollywood".